Final answer:
The word that best fits the overall meaning and tone of the sentence is 'misconception' as it accurately describes the common misunderstanding about bats being blind.
Step-by-step explanation:
The word that best fits the overall meaning and tone of the sentence is misconception. Although it is a common misconception that bats are blind, they are actually able to see in varying degrees.
Learn more about misconception about bats' blindness